[alsa-devel] [GIT PULL] ASoC updates for v3.18

Nicolin Chen nicoleotsuka at gmail.com
Tue Oct 7 20:12:44 CEST 2014


On Tue, Oct 07, 2014 at 08:08:12PM +0200, Takashi Iwai wrote:
> At Tue, 7 Oct 2014 11:01:36 -0700,
> Nicolin Chen wrote:
> > 
> > On Tue, Oct 07, 2014 at 06:14:36PM +0100, Mark Brown wrote:
> > > On Mon, Oct 06, 2014 at 02:37:53PM +0200, Takashi Iwai wrote:
> > > > Mark Brown wrote:
> > > 
> > > > However, this resulted in a few new build warnings, and some of them
> > > > look correctly reported.
> > > 
> > > > *  sound/soc/codecs/mc13783.c:787:13: warning: 'np' may be used uninitialized in this function [-Wuninitialized]
> > > 
> > > > The call of_node_put(np) is done unconditionally even for non-NULL
> > > > pdata where np isn't initialized.  This may lead to a real crash.
> > > 
> > > > * sound/soc/fsl/eukrea-tlv320.c:221:14: warning: 'ssi_np' may be used uninitialized in this function [-Wuninitialized]
> > > 
> > > > A similar bug: of_node_put(ssi_np) is reached even before ssi_np is
> > > > initialized.
> > > 
> > > > * sound/soc/fsl/imx-es8328.c:196:13: warning: 'codec_np' may be used uninitialized in this function [-Wuninitialized]
> > > > * sound/soc/fsl/imx-es8328.c:195:13: warning: 'ssi_np' may be used uninitialized in this function [-Wuninitialized]
> > > 
> > > > Ditto. 
> > > 
> > > > Relevant people put in Cc.  I hope I'll get a new pull request soon
> > > > later :)
> > > 
> > > You missed CCing the Freescale guys and Timur so you're missing most of
> > > the relevant people here; adding them now.
> > 
> > Generally we fetch ssi_np and codec_np before other operations.
> > But somehow these two are doing the fetching a bit later.
> > 
> > However, I think the below change can be a quick reasonable fix:
> > -       struct device_node *ssi_np, *codec_np;
> > +       struct device_node *codec_np = NULL;
> > +       struct device_node *ssi_np = NULL;
> > 
> > I'm patching and taking build test. Will send them soon.
> 
> Patches have been already sent, check ML :)

Oh..a bit late I'm...

Thank you for the patches :)

Nicolin


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